stadio: Court 6 Round: 62 Ground: Clay
| ITF M15 Las Palmas | 2021/04/25 12:00 | Axel Garcian v Federico Marchetti | 6-1,6-4 |
| ITF M15 Antalya | 2021/04/12 07:00 | Vladimir Korolev v Federico Marchetti | 6-2,6-2 |
| ITF M15 Antalya | 2021/04/11 07:00 | Federico Marchetti v Kristof Minarik | 6-3,6-3 |
| ITF M15 Antalya | 2021/04/07 10:20 | Federico Marchetti v Matteo Gigante | 3-6,3-6 |
| ITF M15 Antalya | 2021/04/06 07:00 | Federico Marchetti v Sidane Pontjodikromo | 6-4,2-6,11-9 |
| ITF M15 Antalya | 2021/04/05 07:00 | Gabriele Moghini v Federico Marchetti | 6-3,2-6,7-10 |
| ITF M15 Opatija | 2021/03/21 11:00 | Matic Spec v Federico Marchetti | 7-5,6-0 |
| ITF M25 Trimbach | 2021/03/09 10:30 | Hendrik Jebens v Federico Marchetti | 6-1,6-2 |
| ITF M15 Sibenik | 2021/05/16 15:00 | Alen Moritz Hodzic v Peter Goldsteiner | 6-3,5-7,5-10 |
| ITF M25 Praga | 2021/05/12 07:30 | Mischa Zverev v Peter Goldsteiner | 7-6,5-7,6-1 |
| ITF M25 Praga | 2021/05/11 09:15 | Renta Tokuda v Peter Goldsteiner | 3-6,4-6 |
| ITF M25 Praga | 2021/05/10 08:00 | Peter Goldsteiner v Aidan Mchugh | 5-7,7-5,11-9 |
| ITF M25 Praga | 2021/05/09 11:00 | Krystof Zapsky v Peter Goldsteiner | 3-6,4-6 |
| ITF M15 Sibenik | 2021/04/21 11:20 | Aldin Setkic v Peter Goldsteiner | 6-2,6-4 |
| ITF M15 Sibenik | 2021/04/20 08:00 | Peter Goldsteiner v Luigi Castelletti | 7-5,1-6,12-10 |
| ITF M15 Sibenik | 2021/04/19 07:55 | Peter Goldsteiner v Lovre Erceg | 6-1,6-0 |